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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS Part 9 (Details) | 12 Months Ended |
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Sep. 30, 2013 | Sep. 30, 2012
Pension Plans [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 100.00% |  |  |
Actual allocation of plan assets | 100.00% |  | 100.00% |
Pension Plans [Member] | Equity Markets [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 42.50% |  |  |
Actual allocation of plan assets | 45.90% |  | 37.30% |
Pension Plans [Member] | Commodities [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 2.50% |  |  |
Actual allocation of plan assets | 1.60% |  | 2.20% |
Pension Plans [Member] | Real Estate [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 2.50% |  |  |
Actual allocation of plan assets | 3.00% |  | 2.20% |
Pension Plans [Member] | Inflation-Indexed Securities [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 2.50% |  |  |
Actual allocation of plan assets | 1.40% |  | 2.20% |
Pension Plans [Member] | Debt Securities [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 50.00% |  |  |
Actual allocation of plan assets | 43.30% |  | 41.10% |
Pension Plans [Member] | Other |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 0.00% | [1] |  |
Actual allocation of plan assets | 4.80% | [1] | 15.00% | [1]
Postretirement Plans [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Investment policy targets asset allocation to debt securities | 40.00% |  |  |
Current investment policy targets an asset allocation to equity securities | 60.00% |  |  |
Postretirement Plans [Member] | Equity Markets [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Actual allocation of plan assets | 59.00% |  | 59.00% |
Postretirement Plans [Member] | Debt Securities [Member] |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Actual allocation of plan assets | 39.00% |  | 39.00% |
Postretirement Plans [Member] | Other |  |  |  |
Targeted and actual plan assets by category [Abstract] |  |  |  |
Targeted allocation of plan assets | 0.00% |  |  |
Actual allocation of plan assets | 2.00% |  | 2.00% |
[1] | Other investments in 2013 consist of cash equivalents. The relatively large cash position at September 30, 2012 was due to a transition taking place between investment managers and was invested in debt securities in a matter of days.

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- Definition Current investment policy that target allocation of assets to equity securities. + References No definition available. + Details
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- Definition Current investment policy that target allocation of assets to debt securities. + References No definition available. + Details
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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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